Hosta plant named ‘Fragrant Queen’

ABSTRACT

A new and distinct cultivar of  Hosta  plant named ‘Fragrant Queen’, characterized by its broadly spreading foliage with upright flower scapes; green and pale yellow variegated foliage; fragrant pale violet to white-colored flowers that are positioned above the foliage on strong scapes; and good garden performance.

Botanical designation: Hosta hybrid.

Cultivar denomination: ‘Fragrant Queen’.

BACKGROUND OF THE INVENTION

The present invention relates to a new and distinct cultivar of Hosta, botanically known as Hosta hybrid and hereinafter referred to by the name ‘Fragrant Queen’.

The new Hosta is a naturally-occurring whole plant mutation of the Hosta hybrid cultivar Fragrant King, not patented. The new Hosta was discovered and selected by the Inventor in a controlled greenhouse environment in Barneveld, The Netherlands in August, 2005.

Asexual reproduction of the new Hosta by divisions in a controlled environment in Barneveld, The Netherlands since the spring of 2006, has shown that the unique features of this new Hosta are stable and reproduced true to type in successive generations.

SUMMARY OF THE INVENTION

The cultivar Fragrant Queen has not been observed under all possible environmental conditions. The phenotype may vary somewhat with variations in environment and cultural practices such as temperature and light intensity without, however, any variance in genotype.

The following traits have been repeatedly observed and are determined to be the unique characteristics of ‘Fragrant Queen’. These characteristics in combination distinguish ‘Fragrant Queen’ as a new and distinct cultivar of Hosta:

-   -   1. Broadly spreading foliage with upright flower scapes.     -   2. Green and pale yellow variegated foliage.     -   3. Fragrant pale violet to white-colored flowers that are         positioned above the foliage on strong scapes.     -   4. Good garden performance.

Plants of the new Hosta differ from plants of the parent, the cultivar Fragrant King, primarily in leaf coloration as leaves of plants of the new Hosta have a broader pale yellow-colored edge than leaves of plants of the cultivar Fragrant King. In addition, leaves of plants of the new Hosta are thicker than leaves of plants of the cultivar Fragrant King.

Plants of the new Hosta can be compared to plants of the cultivar Sweet Innocence, not patented. In side-by-side comparisons conducted in Barneveld, The Netherlands, plants of the new Hosta and the cultivar Sweet Innocence differed primarily in leaf coloration as plants of the cultivar Sweet Innocence had light green and pale yellow variegated foliage.

BRIEF DESCRIPTION OF THE PHOTOGRAPHS

The accompanying colored photographs illustrate the overall appearance of the new Hosta, showing the colors as true as it is reasonably possible to obtain in colored reproductions of this type. Colors in the photographs may differ slightly from the color values cited in the detailed botanical description which accurately describe the colors of the new Hosta.

The photograph on the first sheet comprises a side perspective view of a typical flowering plant of ‘Fragrant Queen’ grown in a container.

The photograph at the top of the second sheet is a close-up view of the upper surfaces of typical developing (left) and fully expanded (right) leaves of ‘Fragrant Queen’.

The photograph at the bottom of the second sheet is a close-up view of the lower surfaces of typical developing (left) and fully expanded (right) leaves of ‘Fragrant Queen’.

DETAILED BOTANICAL DESCRIPTION

The aforementioned photographs and following observations, measurements and values describe plants grown in containers in Barneveld, The Netherlands, under commercial practice during the late summer in an outdoor nursery with day temperatures ranging from 14° C. to 35° C. and night temperatures ranging from 5° C. to 18° C. Plants had been growing for about 14 months when the photographs and description were taken. In the following description, color references are made to The Royal Horticultural Society Colour Chart, 2001 Edition, except where general terms of ordinary dictionary significance are used.

-   Botanical classification: Hosta hybrid cultivar Fragrant Queen. -   Parentage: Naturally-occurring whole plant mutation of the Hosta     hybrid cultivar Fragrant King, not patented. -   Propagation:     -   -   Type.—By divisions.         -   Root description.—Thick, fibrous; creamy white in color.         -   Rooting habit.—Moderate branching. -   Plant description:     -   -   Plant form/habit.—Herbaceous flowering perennial plant.             Mounded plant form with broadly spreading foliage with             upright flower scapes. Flowering stems and leaves basal;             vigorous growth habit. Pale violet to white-colored flowers             are positioned above the foliage on strong scapes.         -   Growth rate.—Fast; about one year are required to produce             fully-grown flowering plants.         -   Plant height (soil level to top of foliar plane).—About 20             cm to 25 cm.         -   Plant height (soil level to top of inflorescences).—About 70             cm.         -   Plant width (spread).—About 60 cm. -   Foliage description:     -   -   Arrangement/form.—Leaves basal, simple, generally             symmetrical and long-persisting.         -   Leaf length.—About 15 cm to 20 cm.         -   Leaf width.—About 12 cm to 15 cm.         -   Shape.—Cordate.         -   Apex.—Cuspidate.         -   Base.—Cordate.         -   Margin.—Entire.         -   Texture, upper and lower surfaces.—Smooth, glabrous; thick             and leathery; moderately rugose.         -   Venation pattern.—Pinnate, arcuate.         -   Color.—Developing leaves, upper surface: Center, 137A to             137C; towards the margins, close to 151C to 151D. Developing             leaves, lower surface: Center, more green than 191A; towards             the margins, more yellow than 145B. Fully expanded leaves,             upper surface: Center, random sectors of 137A, 137B or 137C;             towards the margins, close to 150D; venation, similar to             lamina. Fully expanded leaves, lower surface: Center,             between 191A and 137C; towards the margins, more green than             11D; venation, similar to lamina.         -   Petiole length.—About 12 cm to 20 cm.         -   Petiole diameter.—About 1.2 mm to 1.6 mm.         -   Petiole texture, upper and lower surfaces.—Smooth, glabrous.         -   Petiole color, upper surface.—Close to 137A; towards the             margins, 150D.         -   Petiole color, lower surface.—Close to 144B; towards the             margins, 150D. -   Flower description:     -   -   Flower type/habit.—Numerous single campanulate flowers with             fused perianth arranged on terminal racemes; flowers face             outward or slightly downward. Panicles roughly conical in             shape. Freely flowering habit with about 15 flowers             developing per inflorescence.         -   Fragrance.—Strongly fragrant; sweet, pleasant.         -   Natural flowering season.—Recurrent flowering from summer to             early autumn in The Netherlands.         -   Postproduction longevity.—Flowers last about one week on the             plant. Flowers not persistent.         -   Flower bud.—Height: About 2 cm to 5 cm. Diameter: About 7 mm             to 13 mm. Shape: Elliptic. Color: Close to 144A.         -   Inflorescence height.—About 12 cm to 16 cm.         -   Inflorescence diameter.—About 16 cm to 18 cm.         -   Flower diameter.—About 8 cm.         -   Flower depth.—About 8 cm.         -   Perianth.—Arrangement: Three interior tepals arranged in a             single whorl surrounded by an outer whorl of three exterior             tepals. Tepal length: About 3.5 cm to 4 cm. Tepal width:             About 1.8 cm to 2.4 cm. Tepal shape: Ovate. Tepal apex:             Acute. Tepal margin: Entire. Tepal texture, upper and lower             surfaces: Smooth, glabrous; satiny. Tepal color: Developing             petals, upper and lower surfaces: Close to 85D. Fully             expanded petals, upper surface: 85D; towards the base and             margin, close to 155D; with development, color becoming             closer to 155D. Fully expanded petals, lower surface: Close             to 85D.         -   Flower bracts.—Quantity: One per flower at the base of the             pedicel. Length: About 1.5 cm. Width: About 5 mm. Shape:             Ovate. Apex: Acute. Base: Cuneate. Margin: Entire. Texture,             upper and lower surfaces: Smooth, glabrous. Color, upper and             lower surfaces: Towards the base, close to 144D; towards the             apex, 144A; towards the margins, 11C.         -   Peduncles (scapes).—Length: About 60 cm to 70 cm. Diameter:             About 6 mm to 8 mm. Angle: Erect. Strength: Strong. Texture:             Smooth, glabrous. Color: Close to 191A.         -   Pedicels.—Length: About 1 cm to 1.2 cm. Diameter: About             3 mm. Strength: Strong. Texture: Smooth, glabrous. Color:             Close to 191A.         -   Reproductive organs.—Stamens: Quantity per flower: Typically             six; anthers dorsifixed. Filament length: About 6.5 cm.             Filament color: Towards the base, close to 145C; towards the             apex, close to 155D. Anther shape: Narrowly oblong. Anther             length: About 6 mm. Anther color: Close to 199B to 199C.             Pollen amount: Moderate. Pollen color: Close to 9A. Pistils:             Quantity per flower: One. Stigma shape: Lobed. Stigma color:             Close to 155D. Style length: About 6 cm. Style color: Close             to 155D. Ovary length: About 1.2 cm. Ovary color: Close to             145A.         -   Seed/fruit.—Seed and fruit development have not been             observed. -   Disease/pest resistance: Plants of the new Hosta have not been noted     to be resistant to pathogens and pests common to Hosta. -   Garden performance: Plants of the new Hosta have been observed to     have good garden performance and tolerate rain, wind and high     temperatures of about 35° C. Plants of the new Hosta have been     observed to be hardy to USDA Zone 5. 

1. A new and distinct Hosta plant named ‘Fragrant Queen’ as illustrated and described. 